"""
Test for -> Number of trailing zeros of N!.
Created by Egor Kostan.
GitHub: https://github.com/ikostan
"""
# ALGORITHMS MATHEMATICS NUMBERS
import unittest
import allure
from parameterized import parameterized
from kyu_5.number_of_trailing_zeros_of_n.zeros import zeros
from utils.log_func import print_log
# pylint: disable-msg=R0801
[docs]
@allure.epic('5 kyu')
@allure.parent_suite('Novice')
@allure.suite("Algorithms")
@allure.sub_suite("Unit Tests")
@allure.feature("Math")
@allure.story('Number of trailing zeros of N!')
@allure.tag('ALGORITHMS',
'MATHEMATICS',
'NUMBERS')
@allure.link(
url='https://www.codewars.com/kata/52f787eb172a8b4ae1000a34',
name='Source/Kata')
# pylint: enable-msg=R0801
class ZerosTestCase(unittest.TestCase):
"""Testing zeros function."""
@parameterized.expand([
(0, 0, "Testing with n = 0"),
(6, 1, "Testing with n = 6"),
(10, 2, "Testing with n = 10"),
(12, 2, "Testing with n = 12"),
(30, 7, "Testing with n = 30")])
def test_zeros(self, number, expected, message):
"""
Testing zeros function with various test data.
Testing 'zeros' program that should calculate the number
of trailing zeros in a factorial of a given number.
:return: None
"""
# pylint: disable-msg=R0801
allure.dynamic.title("Testing zeros function")
allure.dynamic.severity(allure.severity_level.NORMAL)
allure.dynamic.description_html(
'<h3>Codewars badge:</h3>'
'<img src="https://www.codewars.com/users/myFirstCode'
'/badges/large">'
'<h3>Test Description:</h3>'
"<p></p>")
# pylint: enable-msg=R0801
with allure.step(f"Enter test number: {number} \
and verify the result: {expected}"):
print_log(message=message, number=number, expected=expected)
self.assertEqual(expected, zeros(number))